The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 05, 2023

Filed:

Jun. 02, 2020
Applicant:

SK Hynix Inc., Icheon-si, KR;

Inventors:

Yun Hui Yang, Cheongju-si, KR;

Young Woong Do, Icheon-si, KR;

Assignee:

SK HYNIX INC., Icheon-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/146 (2006.01);
U.S. Cl.
CPC ...
H01L 27/14623 (2013.01); H01L 27/1463 (2013.01); H01L 27/14621 (2013.01); H01L 27/14645 (2013.01);
Abstract

An image sensor is provided to include: one or more first grid structures arranged in rows and columns of a pixel array including imaging pixels arranged in rows and columns, the first grid structures structured to separate the imaging pixels from one another and including a low refractive-index material or an air to provide an optical isolation between two adjacent imaging pixels; and a gap region disposed between the first grid structures and configured to physically isolate the first grid structures from each other, wherein the first grid structures comprise a first capping layer covering the low refractive-index material or the air.


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